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#!/usr/bin/env python
# Copyright (C) 2018 Red Hat, Inc. <http://www.redhat.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""
Description: Helper library for gluster modules.
"""
from glusto.core import Glusto as g
def inject_msg_in_logs(nodes, log_msg, list_of_dirs=None, list_of_files=None):
"""Injects the message to all log files under all dirs specified on nodes.
Args:
nodes (str|list): A server|List of nodes on which message has to be
injected to logs
log_msg (str): Message to be injected
list_of_dirs (list): List of dirs to inject message on log files.
list_of_files (list): List of files to inject message.
Returns:
bool: True if successfully injected msg on all log files.
"""
if isinstance(nodes, str):
nodes = [nodes]
if list_of_dirs is None:
list_of_dirs = ""
if isinstance(list_of_dirs, list):
list_of_dirs = ' '.join(list_of_dirs)
if list_of_files is None:
list_of_files = ''
if isinstance(list_of_files, list):
list_of_files = ' '.join(list_of_files)
inject_msg_on_dirs = ""
inject_msg_on_files = ""
if list_of_dirs:
inject_msg_on_dirs = (
"for dir in %s ; do "
"for file in `find ${dir} -type f -name '*.log'`; do "
"echo \"%s\" >> ${file} ; done ;"
"done; " % (list_of_dirs, log_msg))
if list_of_files:
inject_msg_on_files = ("for file in %s ; do "
"echo \"%s\" >> ${file} ; done; " %
(list_of_files, log_msg))
cmd = inject_msg_on_dirs + inject_msg_on_files
results = g.run_parallel(nodes, cmd)
_rc = True
# Check for return status
for host in results:
ret, _, _ = results[host]
if ret != 0:
g.log.error("Failed to inject log message '%s' in dirs '%s', "
"in files '%s', on node'%s'",
log_msg, list_of_dirs, list_of_files, host)
_rc = False
return _rc
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